Noise-Induced Phase Transitions

  • Jordi García-Ojalvo
  • José M. Sancho
Part of the Institute for Nonlinear Science book series (INLS)


Phase transitions constitute one of the most interesting features exhibited by spatially extended systems. This chapter analyzes the effect of noise on phase transitions taking place between different steady states of a system. As we will see, noise can affect preexisting phase transitions, or even induce new ones. Three different situations will be considered, corresponding to different kinds of stochastic contributions: pure additive noise, both additive and multiplicative noises, and pure multiplicative noise. There is evidence enough in favor of most of these transitions being second-order. However, a comment will also be made on noise effects on first-order phase transitions.


Critical Exponent Additive Noise Noise Intensity Linear Stability Analysis Universality Class 
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Copyright information

© Springer Science+Business Media New York 1999

Authors and Affiliations

  • Jordi García-Ojalvo
    • 1
  • José M. Sancho
    • 2
  1. 1.Departament de Fisica i Enginyeria NuclearUniversitat Politecnica de CatalunyaTerrassaSpain
  2. 2.Departament d’Estructura i Constituents de 1a MateriaFacultat de Fisica Universitat de BarcelonaBarcelonaSpain

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